Flipper for swimming and production method

Details Flipper for swimming and production method Flipper for swimming and production method

1995-05-19

1996-06-04

Swinehart, Edwin L.

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Foot attached

441 61, A63B 3111

Patent

active

055227481

ABSTRACT:
A method for the production of a flipper for swimming by injection molding that provides for the production first, of the fin (1) with one flat bent end (1a), then the molding on it of an intermediate element (2) comprising a substantially flat part (2a) overlapping the bent end and from which develop a substantially arcuate part (2b) over it and a forked part (2c) forming two ribs (3), each of which is located both above and below the fin along its lateral edges. Finally, a shoe (5) is molded onto said intermediate element which lines the internal faces of the flat part and the arcuate part.

REFERENCES:
patent: 3922741 (1975-12-01), Semeia
patent: 4954111 (1990-09-01), Cressi
patent: 4954112 (1990-09-01), Negrini et al.

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